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CompTIA Network+ N10-004 Exam Cram

Mike Harwood

Chapter 3

Networking Components and Devices - all with Video Answers

Educators

Chapter Questions

Problem 1

Users are complaining that the network's performance is unsatisfactory. It takes a long time to pull files from the server, and, under heavy loads, workstations can become disconnected from the server. The network is heavily used, and a new videoconferencing application is about to be installed. The network is a 100BaseT system created with Ethernet hubs. Which device are you most likely to install to alleviate the performance problems?
A. Switch
B. Router
C. Bridge
D. Gateway

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Problem 2

Which of the following devices forwards data packets to all connected ports?
A. Router
B. Switch
C. Bridge
D. Hub

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Problem 3

Of the following routing methods, which is likely to require the most administration time in the long term?
A. Static
B. Link state
C. Distance vector
D. Dynamic

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Problem 4

Your manager asks you to look into some upgrades for your network. The current network is a 10Base2 system, and you have been experiencing numerous cable problems that have been hard to track down. As a result, you have decided to upgrade to a 10BaseT system. On the networking vendor's price list are both active and passive hubs. The passive hubs are considerably cheaper than the active ones, and you are tempted to opt for them so that you come in under budget. A colleague advises against the purchase of passive hubs. What is the primary difference between an active hub and a passive hub?
R. Passive hubs do not offer any management capabilities.
B. Passive hubs cannot be used in full-duplex mode.
C. Passive hubs do not regenerate the data signal.
D. Passive hubs forward data to all ports on the hub, not just the one for which they are intended.

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Problem 6

Which of the following statements best describes a gateway?
A. It is a device that enables data to be routed from one network to another.
B. It refers to any device that resides at the entrance of a network.
C. It is a device, system, or application that translates data from one format into another.
D. It is a network device that can forward or block data based on the MAC address embedded in the packet.

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Problem 6

You have a thin coaxial-based Ethernet network and are experiencing performance problems on the network. By using a network performance-monitoring tool, you determine that the network has a large number of collisions. In an effort to reduce the collisions, you decide to install a network bridge. What kind of bridge are you most likely to implement?
A. Collision bridge
B. Transparent bridge
C. Visible bridge
D. Translational bridge

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Problem 7

Several users on your network are downloading from peer-to-peer networks, tying up bandwidth during peak hours. Which of the following is used to manage network bandwidth?
A. Load balancer
B. Load toner
C. Bandwidth toner
D. Bandwidth shaper

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Problem 8

Which of the following devices passes data based on the MAC address?
A. Hub
B. Switch
C. MSAU
D. Router

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Problem 9

What is the speed of the 16550 UART chip?
A. $921,600 \mathrm{Kbps}$
B. $430,800 \mathrm{Kbps}$
C. $115,200 \mathrm{Kbps}$
D. $9,600 \mathrm{Kbps}$

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Problem 10

Which of the following devices would you find only on a token ring network?
A. Hub
B. Switch
C. MSAU
D. Router

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